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November 3, 2026

Senior Java Developer

Senior • On-site

Warsaw, Poland

Quick Facts

  • Hybrid work model: 1 day per week at the Warsaw client office
  • Focus: Java backend development in the insurance domain

Description

You will work on real business challenges in the insurance industry, designing system architecture and building backend services using modern Java and Spring technologies. The role includes developing microservices and REST APIs, creating and supporting unit/integration/acceptance tests, and stabilizing applications after deployment.

Responsibilities

  • System architecture design
  • Software development
  • Unit test development
  • Support integration tests and acceptance tests, and stabilize applications post-release by handling and fixing reported bugs

Requirements

  • Minimum 6 years of commercial Java experience
  • Strong knowledge of Spring Boot, Spring Framework, Hibernate/JPA
  • Strong knowledge of Apache Kafka
  • Strong knowledge of SQL
  • Knowledge of Angular
  • Experience with Domain-Driven Design (DDD)
  • Experience designing and developing microservices
  • Experience designing and implementing REST APIs
  • Ability to use AI tools supporting software development
  • Willingness to provide services in a hybrid model (minimum 1 day/week on-site in Warsaw)

Benefits

  • Transparent B2B collaboration model and project opportunities matched to your experience and preferences
  • Dedicated contract manager as a single point of contact
  • Opportunity to participate in selected trainings, certifications, and conferences (rules and funding agreed individually)
  • Ability to join future qualification processes when the current project ends or if you want a new role
  • Participation in community initiatives (webinars and other community events)
  • Access to sport initiatives and training rooms
  • Optional additional services (private medical care, sports card, insurance, psychological support)
  • Cafeteria platform to choose services/products using allocated points

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